JEE Main & Advanced Chemistry Solutions / विलयन Question Bank Abnormal molecular mass

  • question_answer
    The correct relationship between the boiling points of very dilute solutions of \[AlC{{l}_{3}}\,({{t}_{1}})\] and \[CaC{{l}_{2}}\,({{t}_{2}})\], having the same molar concentration is             [CPMT 1983]

    A)                 \[{{t}_{1}}={{t}_{2}}\]    

    B)                 \[{{t}_{1}}>{{t}_{2}}\]

    C)                 \[{{t}_{2}}>{{t}_{1}}\]    

    D)                 \[{{t}_{2}}\ge {{t}_{1}}\]

    Correct Answer: B

    Solution :

                \[AlC{{l}_{3}}\] furnishes more ions than \[CaC{{l}_{2}}\] and thus shows higher boiling point i.e. \[{{t}_{1}}>{{t}_{2}}\].


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